AU9584998A - Process for desalination of saline water, especially sea water, having increasedproduct yield and quality - Google Patents

Process for desalination of saline water, especially sea water, having increasedproduct yield and quality

Info

Publication number
AU9584998A
AU9584998A AU95849/98A AU9584998A AU9584998A AU 9584998 A AU9584998 A AU 9584998A AU 95849/98 A AU95849/98 A AU 95849/98A AU 9584998 A AU9584998 A AU 9584998A AU 9584998 A AU9584998 A AU 9584998A
Authority
AU
Australia
Prior art keywords
increasedproduct
desalination
yield
quality
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU95849/98A
Other languages
English (en)
Inventor
Ata M. Hassan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SALINE WATER CONVERSION Corp
Original Assignee
SALINE WATER CONVERSION CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SALINE WATER CONVERSION CORP filed Critical SALINE WATER CONVERSION CORP
Publication of AU9584998A publication Critical patent/AU9584998A/en
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/26Multiple-effect evaporating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06Flash distillation
    • B01D3/065Multiple-effect flash distillation (more than two traps)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • B01D61/026Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/029Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/041Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/06Flash evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
AU95849/98A 1997-10-01 1998-09-25 Process for desalination of saline water, especially sea water, having increasedproduct yield and quality Abandoned AU9584998A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08941827 1997-10-01
US08/941,827 US6508936B1 (en) 1997-10-01 1997-10-01 Process for desalination of saline water, especially water, having increased product yield and quality
PCT/US1998/020213 WO1999016714A1 (en) 1997-10-01 1998-09-25 Process for desalination of saline water, especially sea water, having increased product yield and quality

Publications (1)

Publication Number Publication Date
AU9584998A true AU9584998A (en) 1999-04-23

Family

ID=25477135

Family Applications (1)

Application Number Title Priority Date Filing Date
AU95849/98A Abandoned AU9584998A (en) 1997-10-01 1998-09-25 Process for desalination of saline water, especially sea water, having increasedproduct yield and quality

Country Status (7)

Country Link
US (1) US6508936B1 (de)
EP (1) EP1019325B1 (de)
AU (1) AU9584998A (de)
CY (1) CY1106496T1 (de)
DE (1) DE69836865D1 (de)
ES (1) ES2281140T3 (de)
WO (1) WO1999016714A1 (de)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354855A3 (de) * 1999-08-20 2005-01-19 L.E.T. Leading Edge Technologies Limited Verfahren zur Entsalzung von Salzwasser unter Verwendung ionenselektiver Membranen
US6783682B1 (en) * 1999-08-20 2004-08-31 L.E.T., Leading Edge Technologies Limited Salt water desalination process using ion selective membranes
KR100498583B1 (ko) * 1999-08-20 2005-07-01 엘.이.티.리딩 엣지 테크놀로지즈 리미티드 이온선택성막을 사용한 물 담수화 방법
US6946081B2 (en) * 2001-12-31 2005-09-20 Poseidon Resources Corporation Desalination system
EP1329425A1 (de) * 2002-01-18 2003-07-23 Toray Industries, Inc. Entsalzungsverfahren und -vorrichtung
SE0200135D0 (sv) * 2002-01-18 2002-01-18 Curt Lindhe Konsult Och Foerva Nytt system
US20030155243A1 (en) * 2002-02-21 2003-08-21 Eet Corporation Multi-path split cell spacer and electrodialysis stack design
AU2006252216B2 (en) * 2002-05-02 2010-05-27 City Of Long Beach Two stage nanofiltration seawater desalination system
US7144511B2 (en) * 2002-05-02 2006-12-05 City Of Long Beach Two stage nanofiltration seawater desalination system
US20030230531A1 (en) * 2002-06-13 2003-12-18 Hydranautics And Nitto Denko Corporation Method for reducing boron concentration in high salinity liquid
WO2003106348A1 (en) * 2002-06-01 2003-12-24 Hydranautics Methods for reducing boron concentration in high salinity liquid
EP2070583B1 (de) * 2002-08-02 2012-07-04 University Of South Carolina Gewinnung von gereinigtem Wasser und hochwertigen Chemikalien aus Salzwasser
CA2493777A1 (en) * 2003-02-14 2004-08-26 Dainichiseika Color & Chemicals Mfg. Co., Ltd. Method of desalting
US20050016922A1 (en) * 2003-03-24 2005-01-27 Enzweiler Ronald J. Preferential precipitation membrane system and method
US7097852B1 (en) * 2003-05-09 2006-08-29 Soto Jose A Solution comprising sea water as expectorant and virucidal for the treatment of respiratory diseases and method to use and develop
US20040007451A1 (en) * 2003-06-25 2004-01-15 Northrup Lynn L. Energy efficient evaporation system
GB0317839D0 (en) * 2003-07-30 2003-09-03 Univ Surrey Solvent removal process
US7198722B2 (en) * 2003-11-11 2007-04-03 Mohammed Azam Hussain Process for pre-treating and desalinating sea water
ATE457819T1 (de) 2003-12-07 2010-03-15 Univ Ben Gurion Verfahren und system zur verbesserung der rückgewinnung und verhinderung der bildung von ablagerungen durch fällung bei druckgetriebenen membranverfahren
US7132052B2 (en) * 2003-12-11 2006-11-07 General Electric Company System for the purification and reuse of spent brine in a water softener
EP1720639B1 (de) * 2004-02-25 2012-12-26 Dow Global Technologies LLC Vorrichtung zur behandlung von lösungen mit hoher osmotischer stärke
FR2867771B1 (fr) * 2004-03-18 2006-07-21 Int De Dessalement Soc Procede et installation de dessalement d'eau de mer par distillation a effets multiples et thermocompression de vapeur fonctionnant avec differentes pressions de vapeur motrice
GB2417435A (en) * 2004-08-27 2006-03-01 O H D L Optimized Hybrid Desal MSF desalination system
AU2005285052C1 (en) * 2004-09-13 2011-01-20 University Of South Carolina Water desalination process and apparatus
US20060157409A1 (en) * 2005-01-14 2006-07-20 Saline Water Conversion Corporation (Swcc) Optimal high recovery, energy efficient dual fully integrated nanofiltration seawater reverse osmosis desalination process and equipment
US20060157410A1 (en) * 2005-01-14 2006-07-20 Saline Water Conversion Corporation (Swcc) Fully integrated NF-thermal seawater desalination process and equipment
US20060219613A1 (en) * 2005-04-01 2006-10-05 Scheu Richard W Water purification system and method
EP1899043A4 (de) * 2005-07-05 2011-03-23 Greensols Australia Pty Ltd Herstellung und verwendung von kationischen halogeniden, sequestrierung von kohlendioxid
TW200706499A (en) * 2005-07-12 2007-02-16 Cargill Inc Extended-life water softening system, apparatus and method
WO2007132477A1 (en) * 2006-05-11 2007-11-22 Raman Ahilan A pretreatment process for the saline water feeds of desalination plants
US8114259B2 (en) * 2006-06-13 2012-02-14 Siemens Industry, Inc. Method and system for providing potable water
US10252923B2 (en) 2006-06-13 2019-04-09 Evoqua Water Technologies Llc Method and system for water treatment
US8277627B2 (en) 2006-06-13 2012-10-02 Siemens Industry, Inc. Method and system for irrigation
US10213744B2 (en) 2006-06-13 2019-02-26 Evoqua Water Technologies Llc Method and system for water treatment
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
US7820024B2 (en) 2006-06-23 2010-10-26 Siemens Water Technologies Corp. Electrically-driven separation apparatus
US8119008B2 (en) * 2006-07-10 2012-02-21 Christopher Heiss Fluid purification methods and devices
US20080029456A1 (en) * 2006-08-03 2008-02-07 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
GB2443802A (en) * 2006-11-08 2008-05-21 L E T Leading Edge Technologie Thermal desalination plant integrated upgrading process and apparatus
US20080164206A1 (en) * 2007-01-10 2008-07-10 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
DE102007019347B3 (de) * 2007-04-23 2008-08-21 Melin, Thomas, Prof.Dr.-Ing. Verfahren zur Entsalzung von Meerwasser
US8460553B2 (en) * 2007-06-25 2013-06-11 Houghton Technical Corp. Recovery by vapor recompression of industrial process fluid components
US20090101587A1 (en) 2007-10-22 2009-04-23 Peter Blokker Method of inhibiting scale formation and deposition in desalination systems
BRPI0819884A2 (pt) 2007-11-30 2016-05-10 Siemens Water Tech Corp método para tratamento de água salgada, sistema de tratamento de água e dispositivo de separação acionado eletricamente
MX2010010844A (es) * 2008-04-03 2010-11-01 Siemens Water Tech Corp Sistema y metodo de baja energia para desalinizar agua de mar.
US8546127B2 (en) * 2008-06-30 2013-10-01 General Electric Company Bacteria/RNA extraction device
US8158405B2 (en) * 2008-06-30 2012-04-17 General Electric Company Process for concentrating and processing fluid samples
AU2008261116B2 (en) 2008-09-30 2013-02-07 Central Gippsland Region Water Corporation Process and plant for treating a water stream
WO2010124170A2 (en) * 2009-04-23 2010-10-28 John Scialdone Deep water desalination system and method
US8696908B2 (en) * 2009-05-13 2014-04-15 Poseidon Resources Ip Llc Desalination system and method of wastewater treatment
US10005681B2 (en) 2009-08-13 2018-06-26 The Board Of Regents Of The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
US20110036775A1 (en) * 2009-08-13 2011-02-17 Board Of Regents, The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
JP2011056412A (ja) * 2009-09-10 2011-03-24 Toshiba Corp 膜ろ過システム
US8695343B2 (en) * 2009-12-04 2014-04-15 General Electric Company Economical and sustainable disposal of zero liquid discharge salt byproduct
US8357300B2 (en) 2010-08-16 2013-01-22 Hydranautics Methods and materials for selective boron adsorption from aqueous solution
US20120061300A1 (en) 2010-09-15 2012-03-15 Takeshi Matsushiro Membrane filtration system
FR2966144B1 (fr) * 2010-10-14 2013-04-12 Total Sa Traitement de l'eau dans au moins une unite de filtration membranaire pour la recuperation assistee d'hydrocarbures
CN102153168B (zh) * 2010-12-01 2012-10-31 杭州水处理技术研究开发中心有限公司 一种双极膜对反渗透法海水淡化产水调质的方法
US20120145634A1 (en) * 2010-12-10 2012-06-14 Water Intellectual Properties, Inc. High Efficiency Water Purification System
DE102011012805B4 (de) 2011-03-02 2013-06-06 I-E-S E.K., Inhaber Dr. Oliver Jacobs Aufbereitung von Rohsolen aus Meerwasserentsalzungsanlagen
US10577269B1 (en) 2014-02-08 2020-03-03 Mansour S. Bader De-scaling: The critical key to effective desalination
US10259734B1 (en) * 2011-04-26 2019-04-16 Mansour S. Bader Effective de-scaling for desalination plants and a new brine-forward multi-stage flash concept
KR20140040173A (ko) * 2011-06-29 2014-04-02 도레이 카부시키가이샤 막 여과 방법 및 막 여과 장치
JP5843522B2 (ja) 2011-08-26 2016-01-13 株式会社日立製作所 海水淡水化方法
US9090491B2 (en) 2011-09-02 2015-07-28 Saline Water Desalination Research Institute Removal of boron from saline water using alkalized NF membrane pretreatment
US9339765B2 (en) 2011-09-16 2016-05-17 General Electric Company Electrodialysis method and apparatus for passivating scaling species
CN103193294A (zh) * 2012-01-05 2013-07-10 凯膜过滤技术(上海)有限公司 一种高度浓缩盐水的反渗透膜和纳滤膜的组合分离方法和装置
US9540254B2 (en) 2012-05-04 2017-01-10 University Of Florida Research Foundation, Inc. Membrane system to treat leachate and methods of treating leachate
CN102701504B (zh) * 2012-06-18 2013-12-04 中国海洋大学 一种油田驱油用聚合物溶液的制备方法
GB2504503A (en) 2012-07-31 2014-02-05 Ibm Desalination system
AU2014306078B2 (en) 2013-08-05 2018-10-18 Gradiant Corporation Water treatment systems and associated methods
CA2925869A1 (en) 2013-09-23 2015-03-26 Gradiant Corporation Desalination systems and associated methods
WO2015095695A2 (en) * 2013-12-20 2015-06-25 Massachusetts Institute Of Technology Thermal desalination for increased distillate production
WO2016007107A1 (en) * 2014-07-07 2016-01-14 Diclesu Limited Şirketi Reduction of waste water from reverse osmosis water treatment system
CN104535398A (zh) * 2015-01-28 2015-04-22 国家海洋技术中心 一种海水pH标准缓冲溶液的配制方法
US10167218B2 (en) 2015-02-11 2019-01-01 Gradiant Corporation Production of ultra-high-density brines
US20160228795A1 (en) 2015-02-11 2016-08-11 Gradiant Corporation Methods and systems for producing treated brines
CN108367244B (zh) 2015-07-29 2022-05-03 格雷迪安特公司 渗透脱盐方法和相关系统
US10245555B2 (en) 2015-08-14 2019-04-02 Gradiant Corporation Production of multivalent ion-rich process streams using multi-stage osmotic separation
WO2017030932A1 (en) 2015-08-14 2017-02-23 Gradiant Corporation Selective retention of multivalent ions
US20170151507A1 (en) 2015-12-01 2017-06-01 Kuwait Institute For Scientific Research Combination multi-effect distillation and multi-stage flash evaporation system
CN108463282B (zh) 2016-01-07 2021-08-17 吉普斯兰中心地区自来水公司 膜分离处理方法
US10689264B2 (en) 2016-02-22 2020-06-23 Gradiant Corporation Hybrid desalination systems and associated methods
US10589188B2 (en) 2016-06-27 2020-03-17 Enviro Water Minerals Company, Inc. System and method for removal of scale forming components
CN106830145A (zh) * 2017-02-23 2017-06-13 国家海洋局天津海水淡化与综合利用研究所 纳滤‑多效蒸馏耦合处理海水淡化浓水制饱和盐水系统
CN111094191B (zh) 2017-08-21 2023-04-04 懿华水处理技术有限责任公司 用于农业用途和饮用用途的盐水的处理
WO2020041542A1 (en) 2018-08-22 2020-02-27 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
US11634348B2 (en) 2019-01-30 2023-04-25 Enviro Water Minerals Company, Inc. System and method for treating hydrocarbon-containing feed streams
CA3129958A1 (en) * 2019-02-19 2020-08-27 Extrakt Process Solutions, Llc Water management system for ore mining operation
US10947143B2 (en) 2019-04-01 2021-03-16 Saline Water Conversion Corporation Desalination brine concentration system and method
US20210053848A1 (en) 2019-08-22 2021-02-25 Saline Water Conversion Corporation Multi-Valent Ion Concentration Using Multi-Stage Nanofiltration
CN111362453B (zh) * 2020-03-18 2020-11-03 北京百灵天地环保科技股份有限公司 一种高矿化度煤矿矿井水达标处理及资源化利用装置及其使用方法
US11389770B2 (en) * 2020-04-29 2022-07-19 Sonny's Water Systems, LLC. Apparatus for using permeate to flush a reverse osmosis filter
EP4247522A1 (de) 2020-11-17 2023-09-27 Gradiant Corporation Osmotische verfahren und systeme mit energierückgewinnung
WO2023081688A1 (en) * 2021-11-02 2023-05-11 Energy Exploration Technologies, Inc. Monovalent anion selective membrane enabled by high concentration brine
US11806668B2 (en) 2021-12-14 2023-11-07 Saline Water Conversion Corporation Method and system for extraction of minerals based on divalent cations from brine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156645A (en) * 1973-07-26 1979-05-29 Desalination Systems Inc. Conversion of sea water by reverse osmosis
US4036749A (en) * 1975-04-30 1977-07-19 Anderson Donald R Purification of saline water
US4083781A (en) * 1976-07-12 1978-04-11 Stone & Webster Engineering Corporation Desalination process system and by-product recovery
JPS61200810A (ja) 1985-02-28 1986-09-05 Kurita Water Ind Ltd 膜分離装置
US4944882A (en) * 1989-04-21 1990-07-31 Bend Research, Inc. Hybrid membrane separation systems
US5238574A (en) * 1990-06-25 1993-08-24 Kawasaki Jukogyo Kabushiki Kaisha Method and apparatus having reverse osmosis membrane for concentrating solution
US5158683A (en) * 1991-09-03 1992-10-27 Ethyl Corporation Bromide separation and concentration using semipermeable membranes
US5695643A (en) * 1993-04-30 1997-12-09 Aquatech Services, Inc. Process for brine disposal
JP3593765B2 (ja) 1994-12-02 2004-11-24 東レ株式会社 海水の逆浸透膜分離装置および分離方法
US5587083A (en) * 1995-04-17 1996-12-24 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
US5766479A (en) 1995-08-07 1998-06-16 Zenon Environmental Inc. Production of high purity water using reverse osmosis
US5670053A (en) * 1995-08-07 1997-09-23 Zenon Environmental, Inc. Purification of gases from water using reverse osmosis
JP2920200B2 (ja) 1995-11-20 1999-07-19 工業技術院長 海水の淡水化方法
US6190556B1 (en) * 1998-10-12 2001-02-20 Robert A. Uhlinger Desalination method and apparatus utilizing nanofiltration and reverse osmosis membranes

Also Published As

Publication number Publication date
US6508936B1 (en) 2003-01-21
DE69836865D1 (de) 2007-02-22
ES2281140T3 (es) 2007-09-16
EP1019325B1 (de) 2007-01-10
EP1019325A1 (de) 2000-07-19
CY1106496T1 (el) 2012-01-25
WO1999016714A1 (en) 1999-04-08

Similar Documents

Publication Publication Date Title
AU9584998A (en) Process for desalination of saline water, especially sea water, having increasedproduct yield and quality
AU6913498A (en) Process for purifying water
AU4877097A (en) Water treatment process
AU5881898A (en) Method and apparatus for desalting sea water
AU3231495A (en) Water electrolysis apparatus
AU1569295A (en) Water treatment process
AU7673196A (en) Apparatus for desalinating salt water
AU6884898A (en) Water separation process
AU691702B2 (en) Water purification process and apparatus
AU6703596A (en) Biological water treatment plant for producing drinking water
AU2807495A (en) Non-diaphragm apparatus for electrolysis of water
AU4138996A (en) Process for making highly oxygenated drinking water
AU5111996A (en) Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure
AU4680696A (en) Water purifying machine having membrane chamber flushing
AU3991699A (en) Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes
AU4774599A (en) Process for the treatment of waste water
AU7142696A (en) Method for pretreating raw water
AUPM959994A0 (en) Water treatment process
AU1518097A (en) Seawater desalination system - Kish water supply scheme
AU3779297A (en) Removal of water from process streams
AU6215798A (en) Process for the treatment of waste waters
AU1440597A (en) Cyanide removal from process water
AU4354697A (en) Ozonation apparatus for water treatment
AU3554197A (en) Water treatment apparatus comprising membranes
AU6706496A (en) Water treatment method

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase